改进最大ppt跟踪的324千瓦并网光伏系统

Q4 Biochemistry, Genetics and Molecular Biology

Journal of Biomolecular Techniques Pub Date : 2023-06-10 DOI:10.51173/jt.v5i2.726

A. H. Khariy, Ahmed R. Ajel, S. Gharghan, Noaman Mohammad Noaman

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引用次数: 0

摘要

本工作的目的是分析和归纳，一个并网的双级变换器DC/DC，一个三相五电平逆变器系统，电池能量系统(BESS)具有动态和静态的噪声。在提高输出电压的同时，利用DC/DC改进型升压变换器从光伏阵列中获得最大的功率。在增量电导最大功率点跟踪(MPPT)技术中，通过改变占空比来达到最大功率点。在旋转的d-q同步参考系中，多电平电压源逆变器转换最大电压(VSI)。利用下垂控制器方法从一级功率转换器(DC-DC)到交流电源获得的功率。最后，仿真结果验证了改进的MPPT策略在遮阳条件下跟踪最大功率的有效性，准确率高达98.5%。建议的交流控制器结果也显示出与公用电网同步的稳健性能，最小THD高达2.4%。

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Grid-Connected PV System for 324 kW with Improved Maximum PowerPoint Tracking

The purpose of this work is to analyze and studded, a grid-connected with a double-stage converter DC/DC, a three-phase five-level inverter system, battery energy system (BESS) with dynamic and static loud. A DC/DC modified boost converter is used to get to most power out of the photovoltaic array along with increasing output voltage. The duty cycle is changed in an incremental conductance maximum power point tracking (MPPT) technique to reach the maximum power point (MMP). In a rotating d-q synchronous reference frame, the multilevel voltage source inverter converts the maximum voltage (VSI). power obtained from first stage power converter (DC-DC) to AC power utilizing a droop controller approach. Finally, the simulation results demonstrated the effectiveness of the proposed modified MPPT strategy for tracking the maximum power under shading conditions with an accuracy of up to 98.5%. The suggested AC controller results also show robust performance for synchronizing with the utility grid with a minimum THD of up to 2.4%.

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来源期刊

Journal of Biomolecular Techniques Biochemistry, Genetics and Molecular Biology-Molecular Biology

CiteScore

2.50

自引率

0.00%

发文量

期刊介绍： The Journal of Biomolecular Techniques is a peer-reviewed publication issued five times a year by the Association of Biomolecular Resource Facilities. The Journal was established to promote the central role biotechnology plays in contemporary research activities, to disseminate information among biomolecular resource facilities, and to communicate the biotechnology research conducted by the Association’s Research Groups and members, as well as other investigators.